Downgrading Iceweasel on Debian Wheezy
By default, Debian Wheezy installs Iceweasel (Firefox) 10.x. This can break a lot of extensions so, for those who would rather stick with version 3.x, this is how I reverted to the older version.
The Software category is applied to posts about using, reviewing and writing software. Would be of most interest to those doing similar things. Non-geeks may wish to peruse other categories.
By default, Debian Wheezy installs Iceweasel (Firefox) 10.x. This can break a lot of extensions so, for those who would rather stick with version 3.x, this is how I reverted to the older version.
How many Open Source Content Management Systems (CMS) have an extensible system that can allow the creation, maintenance and display of metadata such as Dublin Core? Very few, if any. Now over 2 years in the making, this article explains concepts that may be used to extend CMS to accommodate this.
Want to convert between number bases in MySQL? Here are a couple of stored procedures to let you convert to/from any base you fancy.

Whilst SVG is a great graphics format to work with, sometimes there is a need to import other formats into it or to export it to the likes of PDF. This article details a real-life application and techniques I used to import to and export from SVG.
Oracle to buy Sun Microsystems. Smiffy wants stuff.
The first in a series of irregular and infrequent collections of tips relating to (X)HTML, Perl, MySQL, Un*x and other technologies.
Smiffy's answer for Twitter #followfriday nominations.
It started with - I will publish a blog post on Tuesday 24th March about a woman in technology whom I admire but only if 1,000 other people will do the same. - These are my nominations.

What is a clock? What is a calendar? How can one do the job of the other? In this series of articles, Smiffy describes a project in which an everyday quartz clock is converted into a solar calendar - the Solstice Clock. Part 3 presents the circuit schematic and board layout of the prototype Solstice Clock.
What is a clock? What is a calendar? How can one do the job of the other? In this series of articles, Smiffy describes a project in which an everyday quartz clock is converted into a solar calendar - the Solstice Clock. Part 2 tells of a simplification of the original concept, more things that the clock can do, and choosing a microcontroller and clock crystal to drive it.